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From: Firmin Martin <firminmartin24@gmail.com>
To: Firmin Martin <firminmartin24@gmail.com>, git@vger.kernel.org
Cc: Junio C Hamano <gitster@pobox.com>, Jeff King <peff@peff.net>
Subject: [PATCH 1/2] prompt.h: clarify the non-use of git_prompt
Date: Thu, 13 May 2021 23:41:51 +0200	[thread overview]
Message-ID: <20210513214152.34792-2-firminmartin24@gmail.com> (raw)
In-Reply-To: <20210513214152.34792-1-firminmartin24@gmail.com>

It's really tempting to use git_prompt to prompt user for input, but in
most of the case, we must not [1]. Reflect this as a comment in prompt.h.

[1]: https://lore.kernel.org/git/YJTH+sTP%2FO5Nxtp9@coredump.intra.peff.net/

Reported-by: Jeff King <peff@peff.net>
Signed-off-by: Firmin Martin <firminmartin24@gmail.com>
---
 prompt.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/prompt.h b/prompt.h
index e294e93541..90eb3f08a3 100644
--- a/prompt.h
+++ b/prompt.h
@@ -4,6 +4,16 @@
 #define PROMPT_ASKPASS (1<<0)
 #define PROMPT_ECHO    (1<<1)
 
+/*
+ * This function should not be used for regular prompts (i.e., asking user for
+ * confirmation or picking an option from an interactive menu) as it only
+ * accepts input from /dev/tty, thus making it impossible to test with the
+ * current test suite.  Please instead use git_read_line_interactively for that
+ * purpose.  See 97387c8bdd (am: read interactive input from stdin, 2019-05-20)
+ * for historical context.
+ *
+ */
+
 char *git_prompt(const char *prompt, int flags);
 
 int git_read_line_interactively(struct strbuf *line);
-- 
2.31.1.443.g67a420f573


  reply	other threads:[~2021-05-13 21:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-13 21:41 [PATCH 0/2] Refactor some prompts Firmin Martin
2021-05-13 21:41 ` Firmin Martin [this message]
2021-05-13 22:36   ` [PATCH 1/2] prompt.h: clarify the non-use of git_prompt Junio C Hamano
2021-05-13 23:03     ` Junio C Hamano
2021-05-15 10:12     ` Jeff King
2021-05-13 21:41 ` [PATCH 2/2] builtin: use git_read_line_interactively to prompt Firmin Martin
2021-05-13 22:51   ` Junio C Hamano

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